citibank account. nice job ben. [ male announcer ] next up, the gutters. citibank popmoney. easier banking. standard at citibank. >> ama: the lights are back on across the bay tonight. you're looking live at the bay bridge and the ferry building right now. earlier some of san francisco's most iconic landmarks went dark for an hour, all part of a global effort to get people to think about conserve vacation. the event is called earth power. >> 8:30 tonight the towers of the golden gate bridge went dark, the art installation on the bay bridge went dark, and san francisco city hall went dark. at least one person came to civic center to see the lights go out. >> i never seen it ever. >> the lights going out is all part of earth hour. >> reminds us all of the sustainability. >> because of programs like the city's recent ban on plastic shopping bags, efforts to promote solar energy, and the city's comprehensive composting program, this year san francisco was named earth hour city capitol for the u.s. i talked